ImageMagick could be made to crash or run programs as your login if itopened a specially crafted file.

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Ubuntu Security Notice USN-1435-1
May 01, 2012
imagemagick vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 LTS
- Ubuntu 11.10
- Ubuntu 11.04
- Ubuntu 10.04 LTS
Summary:
ImageMagick could be made to crash or run programs as your login if it
opened a specially crafted file.
Software Description:
- imagemagick: Image manipulation programs and library
Details:
Joonas Kuorilehto and Aleksis Kauppinen discovered that ImageMagick
incorrectly handled certain ResolutionUnit tags. If a user or automated
system using ImageMagick were tricked into opening a specially crafted
image, an attacker could exploit this to cause a denial of service or
possibly execute code with the privileges of the user invoking the program.
(CVE-2012-0247, CVE-2012-1185)
Joonas Kuorilehto and Aleksis Kauppinen discovered that ImageMagick
incorrectly handled certain IFD structures. If a user or automated
system using ImageMagick were tricked into opening a specially crafted
image, an attacker could exploit this to cause a denial of service.
(CVE-2012-0248, CVE-2012-1186)
Aleksis Kauppinen, Joonas Kuorilehto and Tuomas Parttimaa discovered that
ImageMagick incorrectly handled certain JPEG EXIF tags. If a user or
automated system using ImageMagick were tricked into opening a specially
crafted image, an attacker could exploit this to cause a denial of service.
(CVE-2012-0259)
It was discovered that ImageMagick incorrectly handled certain JPEG EXIF
tags. If a user or automated system using ImageMagick were tricked into
opening a specially crafted image, an attacker could exploit this to cause
a denial of service or possibly execute code with the privileges of the
user invoking the program. (CVE-2012-1610)
Aleksis Kauppinen, Joonas Kuorilehto and Tuomas Parttimaa discovered that
ImageMagick incorrectly handled certain TIFF EXIF tags. If a user or
automated system using ImageMagick were tricked into opening a specially
crafted image, an attacker could exploit this to cause a denial of service
or possibly execute code with the privileges of the user invoking the
program. (CVE-2012-1798)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 12.04 LTS:
imagemagick 8:6.6.9.7-5ubuntu3.1
libmagick++4 8:6.6.9.7-5ubuntu3.1
Ubuntu 11.10:
imagemagick 8:6.6.0.4-3ubuntu1.1
libmagick++3 8:6.6.0.4-3ubuntu1.1
Ubuntu 11.04:
imagemagick 7:6.6.2.6-1ubuntu4.1
libmagick++3 7:6.6.2.6-1ubuntu4.1
Ubuntu 10.04 LTS:
imagemagick 7:6.5.7.8-1ubuntu1.2
libmagick++2 7:6.5.7.8-1ubuntu1.2
In general, a standard system update will make all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-1435-1
CVE-2012-0247, CVE-2012-0248, CVE-2012-0259, CVE-2012-1185,
CVE-2012-1186, CVE-2012-1610, CVE-2012-1798
Package Information:
https://launchpad.net/ubuntu/+source/imagemagick/8:6.6.9.7-5ubuntu3.1
https://launchpad.net/ubuntu/+source/imagemagick/8:6.6.0.4-3ubuntu1.1
https://launchpad.net/ubuntu/+source/imagemagick/7:6.6.2.6-1ubuntu4.1
https://launchpad.net/ubuntu/+source/imagemagick/7:6.5.7.8-1ubuntu1.2